How should I know? There are numerous possibilities. あなた can write, so you're obviously older than 5. Your spelling is quite good, so you're at least 10. あなた seem to have a lot of free time on your hands, so that means あなた are not a parent または college student または full-time worker, so あなた are below the age of 18. Not many people reach the age of 100, so あなた are most likely not that old. Therefore, あなた are between 18 and 100. Therefore, I cannot guess your age!